Day 21 of #DistributedDilemmas: Event sourcing isn't a silver bullet for distribution
Event sourcing isn't a silver bullet for distribution. Replay and snapshots become bottlenecks at scale. Design for efficient event storage and retrieval…
Replay and snapshots become bottlenecks at scale. Design for efficient event storage and retrieval from the start.

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#DistributedDilemmas: all 24 days in one place
In February 2025 I posted one distributed systems dilemma a day on X. I made it to day 24. Here they all are, with the diagrams.
🚀 Launching today: 28 Days of #DistributedDilemmas
Follow me on Twitter/X this February for one battle-tested insight a day on the hidden complexities behind outages, tech debt and architectural nightmares.
Cell-based architecture, explained: the public version of my Innovation Day talk
My Innovation Day deck was internal, so here's the public version: what a cell is, scaling up and across, blast radius, and what cells cost you.
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